Drill bit



FIG. 1 is an end view of the design;

FIG. 2 is a side view of the design of FIG. 1;

FIG. 3 is a first perspective view of the design of FIG. 1; and,

FIG. 4 is a second perspective view of the design of FIG. 1.

The broken lines show portions of a drill bit that form no part of theclaimed design.

CLAIM The ornamental design for a drill bit, as shown. 